feat(encryption): add UI and settings for file encryption

application/dependency/dependency.go

@@ -131,9 +131,9 @@ type Dep interface {
 	// UAParser Get a singleton uaparser.Parser instance for user agent parsing.
 	UAParser() *uaparser.Parser
 	// MasterEncryptKeyVault Get a singleton encrypt.MasterEncryptKeyVault instance for master encrypt key vault.
-	MasterEncryptKeyVault() encrypt.MasterEncryptKeyVault
+	MasterEncryptKeyVault(ctx context.Context) encrypt.MasterEncryptKeyVault
 	// EncryptorFactory Get a new encrypt.CryptorFactory instance.
-	EncryptorFactory() encrypt.CryptorFactory
+	EncryptorFactory(ctx context.Context) encrypt.CryptorFactory
 }
 
 type dependency struct {
@@ -183,7 +183,6 @@ type dependency struct {
 	configPath        string
 	isPro             bool
 	requiredDbVersion string
-	licenseKey        string
 
 	// Protects inner deps that can be reloaded at runtime.
 	mu sync.Mutex
@@ -212,17 +211,17 @@ func (d *dependency) RequestClient(opts ...request.Option) request.Client {
 	return request.NewClient(d.ConfigProvider(), opts...)
 }
 
-func (d *dependency) MasterEncryptKeyVault() encrypt.MasterEncryptKeyVault {
+func (d *dependency) MasterEncryptKeyVault(ctx context.Context) encrypt.MasterEncryptKeyVault {
 	if d.masterEncryptKeyVault != nil {
 		return d.masterEncryptKeyVault
 	}
 
-	d.masterEncryptKeyVault = encrypt.NewMasterEncryptKeyVault(d.SettingProvider())
+	d.masterEncryptKeyVault = encrypt.NewMasterEncryptKeyVault(ctx, d.SettingProvider())
 	return d.masterEncryptKeyVault
 }
 
-func (d *dependency) EncryptorFactory() encrypt.CryptorFactory {
-	return encrypt.NewCryptorFactory(d.MasterEncryptKeyVault())
+func (d *dependency) EncryptorFactory(ctx context.Context) encrypt.CryptorFactory {
+	return encrypt.NewCryptorFactory(d.MasterEncryptKeyVault(ctx))
 }
 
 func (d *dependency) WebAuthn(ctx context.Context) (*webauthn.WebAuthn, error) {

application/dependency/options.go

@@ -1,6 +1,8 @@
 package dependency
 
 import (
+	"io/fs"
+
 	"github.com/cloudreve/Cloudreve/v4/ent"
 	"github.com/cloudreve/Cloudreve/v4/inventory"
 	"github.com/cloudreve/Cloudreve/v4/pkg/auth"
@@ -11,7 +13,6 @@ import (
 	"github.com/cloudreve/Cloudreve/v4/pkg/logging"
 	"github.com/cloudreve/Cloudreve/v4/pkg/setting"
 	"github.com/gin-contrib/static"
-	"io/fs"
 )
 
 // Option 发送请求的额外设置
@@ -67,12 +68,6 @@ func WithProFlag(c bool) Option {
 	})
 }
 
-func WithLicenseKey(c string) Option {
-	return optionFunc(func(o *dependency) {
-		o.licenseKey = c
-	})
-}
-
 // WithRawEntClient Set the default raw ent client.
 func WithRawEntClient(c *ent.Client) Option {
 	return optionFunc(func(o *dependency) {

cmd/masterkey.go

@@ -0,0 +1,230 @@
+package cmd
+
+import (
+	"context"
+	"crypto/rand"
+	"encoding/base64"
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/cloudreve/Cloudreve/v4/application/dependency"
+	"github.com/cloudreve/Cloudreve/v4/ent/entity"
+	"github.com/cloudreve/Cloudreve/v4/inventory/types"
+	"github.com/cloudreve/Cloudreve/v4/pkg/filemanager/encrypt"
+	"github.com/cloudreve/Cloudreve/v4/pkg/setting"
+	"github.com/spf13/cobra"
+)
+
+var (
+	outputToFile     string
+	newMasterKeyFile string
+)
+
+func init() {
+	rootCmd.AddCommand(masterKeyCmd)
+	masterKeyCmd.AddCommand(masterKeyGenerateCmd)
+	masterKeyCmd.AddCommand(masterKeyGetCmd)
+	masterKeyCmd.AddCommand(masterKeyRotateCmd)
+
+	masterKeyGenerateCmd.Flags().StringVarP(&outputToFile, "output", "o", "", "Output master key to file instead of stdout")
+	masterKeyRotateCmd.Flags().StringVarP(&newMasterKeyFile, "new-key", "n", "", "Path to file containing the new master key (base64 encoded).")
+}
+
+var masterKeyCmd = &cobra.Command{
+	Use:   "master-key",
+	Short: "Master encryption key management",
+	Long:  "Manage master encryption keys for file encryption. Use subcommands to generate, get, or rotate keys.",
+	Run: func(cmd *cobra.Command, args []string) {
+		_ = cmd.Help()
+	},
+}
+
+var masterKeyGenerateCmd = &cobra.Command{
+	Use:   "generate",
+	Short: "Generate a new master encryption key",
+	Long:  "Generate a new random 32-byte (256-bit) master encryption key and output it in base64 format.",
+	Run: func(cmd *cobra.Command, args []string) {
+		// Generate 32-byte random key
+		key := make([]byte, 32)
+		if _, err := io.ReadFull(rand.Reader, key); err != nil {
+			fmt.Fprintf(os.Stderr, "Error: Failed to generate random key: %v\n", err)
+			os.Exit(1)
+		}
+
+		// Encode to base64
+		encodedKey := base64.StdEncoding.EncodeToString(key)
+
+		if outputToFile != "" {
+			// Write to file
+			if err := os.WriteFile(outputToFile, []byte(encodedKey), 0600); err != nil {
+				fmt.Fprintf(os.Stderr, "Error: Failed to write key to file: %v\n", err)
+				os.Exit(1)
+			}
+			fmt.Printf("Master key generated and saved to: %s\n", outputToFile)
+		} else {
+			// Output to stdout
+			fmt.Println(encodedKey)
+		}
+	},
+}
+
+var masterKeyGetCmd = &cobra.Command{
+	Use:   "get",
+	Short: "Get the current master encryption key",
+	Long:  "Retrieve and display the current master encryption key from the configured vault (setting, env, or file).",
+	Run: func(cmd *cobra.Command, args []string) {
+		ctx := context.Background()
+		dep := dependency.NewDependency(
+			dependency.WithConfigPath(confPath),
+		)
+		logger := dep.Logger()
+
+		// Get the master key vault
+		vault := encrypt.NewMasterEncryptKeyVault(ctx, dep.SettingProvider())
+
+		// Retrieve the master key
+		key, err := vault.GetMasterKey(ctx)
+		if err != nil {
+			logger.Error("Failed to get master key: %s", err)
+			os.Exit(1)
+		}
+
+		// Encode to base64 and display
+		encodedKey := base64.StdEncoding.EncodeToString(key)
+		fmt.Println("")
+		fmt.Println(encodedKey)
+	},
+}
+
+var masterKeyRotateCmd = &cobra.Command{
+	Use:   "rotate",
+	Short: "Rotate the master encryption key",
+	Long: `Rotate the master encryption key by re-encrypting all encrypted file keys with a new master key.
+This operation:
+1. Retrieves the current master key
+2. Loads a new master key from file
+3. Re-encrypts all file encryption keys with the new master key
+4. Updates the master key in the settings database
+
+Warning: This is a critical operation. Make sure to backup your database before proceeding.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		ctx := context.Background()
+		dep := dependency.NewDependency(
+			dependency.WithConfigPath(confPath),
+		)
+		logger := dep.Logger()
+
+		logger.Info("Starting master key rotation...")
+
+		// Get the old master key
+		vault := encrypt.NewMasterEncryptKeyVault(ctx, dep.SettingProvider())
+		oldMasterKey, err := vault.GetMasterKey(ctx)
+		if err != nil {
+			logger.Error("Failed to get current master key: %s", err)
+			os.Exit(1)
+		}
+		logger.Info("Retrieved current master key")
+
+		// Get or generate the new master key
+		var newMasterKey []byte
+		// Load from file
+		keyData, err := os.ReadFile(newMasterKeyFile)
+		if err != nil {
+			logger.Error("Failed to read new master key file: %s", err)
+			os.Exit(1)
+		}
+		newMasterKey, err = base64.StdEncoding.DecodeString(string(keyData))
+		if err != nil {
+			logger.Error("Failed to decode new master key: %s", err)
+			os.Exit(1)
+		}
+		if len(newMasterKey) != 32 {
+			logger.Error("Invalid new master key: must be 32 bytes (256 bits), got %d bytes", len(newMasterKey))
+			os.Exit(1)
+		}
+		logger.Info("Loaded new master key from file: %s", newMasterKeyFile)
+
+		// Query all entities with encryption metadata
+		db := dep.DBClient()
+		entities, err := db.Entity.Query().
+			Where(entity.Not(entity.PropsIsNil())).
+			All(ctx)
+		if err != nil {
+			logger.Error("Failed to query entities: %s", err)
+			os.Exit(1)
+		}
+
+		logger.Info("Found %d entities to check for encryption", len(entities))
+
+		// Re-encrypt each entity's encryption key
+		encryptedCount := 0
+		for _, ent := range entities {
+			if ent.Props == nil || ent.Props.EncryptMetadata == nil {
+				continue
+			}
+
+			encMeta := ent.Props.EncryptMetadata
+
+			// Decrypt the file key with old master key
+			decryptedFileKey, err := encrypt.DecryptWithMasterKey(oldMasterKey, encMeta.Key)
+			if err != nil {
+				logger.Error("Failed to decrypt key for entity %d: %s", ent.ID, err)
+				os.Exit(1)
+			}
+
+			// Re-encrypt the file key with new master key
+			newEncryptedKey, err := encrypt.EncryptWithMasterKey(newMasterKey, decryptedFileKey)
+			if err != nil {
+				logger.Error("Failed to re-encrypt key for entity %d: %s", ent.ID, err)
+				os.Exit(1)
+			}
+
+			// Update the entity
+			newProps := *ent.Props
+			newProps.EncryptMetadata = &types.EncryptMetadata{
+				Algorithm:    encMeta.Algorithm,
+				Key:          newEncryptedKey,
+				KeyPlainText: nil, // Don't store plaintext
+				IV:           encMeta.IV,
+			}
+
+			err = db.Entity.UpdateOne(ent).
+				SetProps(&newProps).
+				Exec(ctx)
+			if err != nil {
+				logger.Error("Failed to update entity %d: %s", ent.ID, err)
+				os.Exit(1)
+			}
+
+			encryptedCount++
+		}
+
+		logger.Info("Re-encrypted %d file keys", encryptedCount)
+
+		// Update the master key in settings
+		keyStore := dep.SettingProvider().MasterEncryptKeyVault(ctx)
+		if keyStore == setting.MasterEncryptKeyVaultTypeSetting {
+			encodedNewKey := base64.StdEncoding.EncodeToString(newMasterKey)
+			err = dep.SettingClient().Set(ctx, map[string]string{
+				"encrypt_master_key": encodedNewKey,
+			})
+			if err != nil {
+				logger.Error("Failed to update master key in settings: %s", err)
+				logger.Error("WARNING: File keys have been re-encrypted but master key update failed!")
+				logger.Error("Please manually update the encrypt_master_key setting.")
+				os.Exit(1)
+			}
+		} else {
+			logger.Info("Current master key is stored in %q", keyStore)
+			if keyStore == setting.MasterEncryptKeyVaultTypeEnv {
+				logger.Info("Please update the new master encryption key in your \"CR_ENCRYPT_MASTER_KEY\" environment variable.")
+			} else if keyStore == setting.MasterEncryptKeyVaultTypeFile {
+				logger.Info("Please update the new master encryption key in your key file: %q", dep.SettingProvider().MasterEncryptKeyFile(ctx))
+			}
+			logger.Info("Last step: Please manually update the new master encryption key in your ENV or key file.")
+		}
+
+		logger.Info("Master key rotation completed successfully")
+	},
+}

cmd/root.go

@@ -2,14 +2,16 @@ package cmd
 
 import (
 	"fmt"
+	"os"
+
 	"github.com/cloudreve/Cloudreve/v4/pkg/util"
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
-	"os"
 )
 
 var (
-	confPath string
+	confPath   string
+	licenseKey string
 )
 
 func init() {

cmd/server.go

@@ -12,10 +12,6 @@ import (
 	"github.com/spf13/cobra"
 )
 
-var (
-	licenseKey string
-)
-
 func init() {
 	rootCmd.AddCommand(serverCmd)
 	serverCmd.PersistentFlags().StringVarP(&licenseKey, "license-key", "l", "", "License key of your Cloudreve Pro")
@@ -29,7 +25,6 @@ var serverCmd = &cobra.Command{
 			dependency.WithConfigPath(confPath),
 			dependency.WithProFlag(constants.IsProBool),
 			dependency.WithRequiredDbVersion(constants.BackendVersion),
-			dependency.WithLicenseKey(licenseKey),
 		)
 		server := application.NewServer(dep)
 		logger := dep.Logger()

inventory/setting.go

@@ -665,6 +665,14 @@ var DefaultSettings = map[string]string{
 	"headless_bottom_html":                       "",
 	"sidebar_bottom_html":                        "",
 	"encrypt_master_key":                         "",
+	"encrypt_master_key_vault":                   "setting",
+	"encrypt_master_key_file":                    "",
+	"show_encryption_status":                     "1",
+}
+
+var RedactedSettings = map[string]struct{}{
+	"encrypt_master_key": {},
+	"secret_key":         {},
 }
 
 func init() {

inventory/types/types.go

@@ -161,13 +161,13 @@ type (
 		EncryptMetadata *EncryptMetadata `json:"encrypt_metadata,omitempty"`
 	}
 
-	Algorithm string
+	Cipher string
 
 	EncryptMetadata struct {
-		Algorithm    Algorithm `json:"algorithm"`
-		Key          []byte    `json:"key"`
-		KeyPlainText []byte    `json:"key_plain_text,omitempty"`
-		IV           []byte    `json:"iv"`
+		Algorithm    Cipher `json:"algorithm"`
+		Key          []byte `json:"key"`
+		KeyPlainText []byte `json:"key_plain_text,omitempty"`
+		IV           []byte `json:"iv"`
 	}
 
 	DavAccountProps struct {
@@ -361,5 +361,5 @@ const (
 )
 
 const (
-	AlgorithmAES256CTR Algorithm = "aes-256-ctr"
+	CipherAES256CTR Cipher = "aes-256-ctr"
 )

pkg/filemanager/encrypt/aes256ctr.go

@@ -62,7 +62,7 @@
 // Using the factory pattern:
 //
 //	factory := NewDecrypterFactory(masterKeyVault)
-//	decrypter, err := factory(types.AlgorithmAES256CTR)
+//	decrypter, err := factory(types.CipherAES256CTR)
 //	if err != nil {
 //	    return err
 //	}
@@ -131,7 +131,7 @@ func (e *AES256CTR) GenerateMetadata(ctx context.Context) (*types.EncryptMetadat
 	}
 
 	return &types.EncryptMetadata{
-		Algorithm:    types.AlgorithmAES256CTR,
+		Algorithm:    types.CipherAES256CTR,
 		Key:          encryptedKey,
 		KeyPlainText: key,
 		IV:           iv,
@@ -144,7 +144,7 @@ func (e *AES256CTR) LoadMetadata(ctx context.Context, encryptedMetadata *types.E
 		return fmt.Errorf("encryption metadata is nil")
 	}
 
-	if encryptedMetadata.Algorithm != types.AlgorithmAES256CTR {
+	if encryptedMetadata.Algorithm != types.CipherAES256CTR {
 		return fmt.Errorf("unsupported algorithm: %s", encryptedMetadata.Algorithm)
 	}
 

pkg/filemanager/encrypt/encrypt.go

@@ -23,13 +23,13 @@ type (
 		GenerateMetadata(ctx context.Context) (*types.EncryptMetadata, error)
 	}
 
-	CryptorFactory func(algorithm types.Algorithm) (Cryptor, error)
+	CryptorFactory func(algorithm types.Cipher) (Cryptor, error)
 )
 
 func NewCryptorFactory(masterKeyVault MasterEncryptKeyVault) CryptorFactory {
-	return func(algorithm types.Algorithm) (Cryptor, error) {
+	return func(algorithm types.Cipher) (Cryptor, error) {
 		switch algorithm {
-		case types.AlgorithmAES256CTR:
+		case types.CipherAES256CTR:
 			return NewAES256CTR(masterKeyVault), nil
 		default:
 			return nil, fmt.Errorf("unknown algorithm: %s", algorithm)

pkg/filemanager/encrypt/masterkey.go

@@ -2,18 +2,33 @@ package encrypt
 
 import (
 	"context"
+	"encoding/base64"
 	"errors"
+	"fmt"
+	"os"
 
 	"github.com/cloudreve/Cloudreve/v4/pkg/setting"
 )
 
+const (
+	EnvMasterEncryptKey = "CR_ENCRYPT_MASTER_KEY"
+)
+
 // MasterEncryptKeyVault is a vault for the master encrypt key.
 type MasterEncryptKeyVault interface {
 	GetMasterKey(ctx context.Context) ([]byte, error)
 }
 
-func NewMasterEncryptKeyVault(setting setting.Provider) MasterEncryptKeyVault {
-	return &settingMasterEncryptKeyVault{setting: setting}
+func NewMasterEncryptKeyVault(ctx context.Context, settings setting.Provider) MasterEncryptKeyVault {
+	vaultType := settings.MasterEncryptKeyVault(ctx)
+	switch vaultType {
+	case setting.MasterEncryptKeyVaultTypeEnv:
+		return NewEnvMasterEncryptKeyVault()
+	case setting.MasterEncryptKeyVaultTypeFile:
+		return NewFileMasterEncryptKeyVault(settings.MasterEncryptKeyFile(ctx))
+	default:
+		return NewSettingMasterEncryptKeyVault(settings)
+	}
 }
 
 // settingMasterEncryptKeyVault is a vault for the master encrypt key that gets the key from the setting KV.
@@ -21,6 +36,10 @@ type settingMasterEncryptKeyVault struct {
 	setting setting.Provider
 }
 
+func NewSettingMasterEncryptKeyVault(setting setting.Provider) MasterEncryptKeyVault {
+	return &settingMasterEncryptKeyVault{setting: setting}
+}
+
 func (v *settingMasterEncryptKeyVault) GetMasterKey(ctx context.Context) ([]byte, error) {
 	key := v.setting.MasterEncryptKey(ctx)
 	if key == nil {
@@ -28,3 +47,59 @@ func (v *settingMasterEncryptKeyVault) GetMasterKey(ctx context.Context) ([]byte
 	}
 	return key, nil
 }
+
+func NewEnvMasterEncryptKeyVault() MasterEncryptKeyVault {
+	return &envMasterEncryptKeyVault{}
+}
+
+type envMasterEncryptKeyVault struct {
+}
+
+var envMasterKeyCache = []byte{}
+
+func (v *envMasterEncryptKeyVault) GetMasterKey(ctx context.Context) ([]byte, error) {
+	if len(envMasterKeyCache) > 0 {
+		return envMasterKeyCache, nil
+	}
+
+	key := os.Getenv(EnvMasterEncryptKey)
+	if key == "" {
+		return nil, errors.New("master encrypt key is not set")
+	}
+
+	decodedKey, err := base64.StdEncoding.DecodeString(key)
+	if err != nil {
+		return nil, fmt.Errorf("failed to decode master encrypt key: %w", err)
+	}
+
+	envMasterKeyCache = decodedKey
+	return decodedKey, nil
+}
+
+func NewFileMasterEncryptKeyVault(path string) MasterEncryptKeyVault {
+	return &fileMasterEncryptKeyVault{path: path}
+}
+
+var fileMasterKeyCache = []byte{}
+
+type fileMasterEncryptKeyVault struct {
+	path string
+}
+
+func (v *fileMasterEncryptKeyVault) GetMasterKey(ctx context.Context) ([]byte, error) {
+	if len(fileMasterKeyCache) > 0 {
+		return fileMasterKeyCache, nil
+	}
+
+	key, err := os.ReadFile(v.path)
+	if err != nil {
+		return nil, fmt.Errorf("invalid master encrypt key file")
+	}
+
+	decodedKey, err := base64.StdEncoding.DecodeString(string(key))
+	if err != nil {
+		return nil, fmt.Errorf("invalid master encrypt key")
+	}
+	fileMasterKeyCache = decodedKey
+	return fileMasterKeyCache, nil
+}

pkg/filemanager/fs/dbfs/dbfs.go

@@ -652,8 +652,8 @@ func (f *DBFS) createFile(ctx context.Context, parent *File, name string, fileTy
 
 func (f *DBFS) generateEncryptMetadata(ctx context.Context, uploadRequest *fs.UploadRequest, policy *ent.StoragePolicy) (*types.EncryptMetadata, error) {
 	relayEnabled := policy.Settings != nil && policy.Settings.Relay
-	if (len(uploadRequest.Props.EncryptionSupported) > 0 && uploadRequest.Props.EncryptionSupported[0] == types.AlgorithmAES256CTR) || relayEnabled {
-		encryptor, err := f.encryptorFactory(types.AlgorithmAES256CTR)
+	if (len(uploadRequest.Props.EncryptionSupported) > 0 && uploadRequest.Props.EncryptionSupported[0] == types.CipherAES256CTR) || relayEnabled {
+		encryptor, err := f.encryptorFactory(types.CipherAES256CTR)
 		if err != nil {
 			return nil, fmt.Errorf("failed to get encryptor: %w", err)
 		}

pkg/filemanager/fs/fs.go

@@ -294,7 +294,7 @@ type (
 		// with a default version entity. This will be set in update request for existing files.
 		EntityType          *types.EntityType
 		ExpireAt            time.Time
-		EncryptionSupported []types.Algorithm
+		EncryptionSupported []types.Cipher
 		ClientSideEncrypted bool // Whether the file stream is already encrypted by client side.
 	}
 

pkg/filemanager/manager/entity.go

@@ -120,7 +120,7 @@ func (m *manager) GetDirectLink(ctx context.Context, urls ...*fs.URI) ([]DirectL
 			}
 
 			source := entitysource.NewEntitySource(target, d, policy, m.auth, m.settings, m.hasher, m.dep.RequestClient(),
-				m.l, m.config, m.dep.MimeDetector(ctx), m.dep.EncryptorFactory())
+				m.l, m.config, m.dep.MimeDetector(ctx), m.dep.EncryptorFactory(ctx))
 			sourceUrl, err := source.Url(ctx,
 				entitysource.WithSpeedLimit(int64(m.user.Edges.Group.SpeedLimit)),
 				entitysource.WithDisplayName(file.Name()),
@@ -182,7 +182,7 @@ func (m *manager) GetUrlForRedirectedDirectLink(ctx context.Context, dl *ent.Dir
 		}
 
 		source := entitysource.NewEntitySource(primaryEntity, d, policy, m.auth, m.settings, m.hasher, m.dep.RequestClient(),
-			m.l, m.config, m.dep.MimeDetector(ctx), m.dep.EncryptorFactory())
+			m.l, m.config, m.dep.MimeDetector(ctx), m.dep.EncryptorFactory(ctx))
 		downloadUrl, err := source.Url(ctx,
 			entitysource.WithExpire(o.Expire),
 			entitysource.WithDownload(o.IsDownload),
@@ -282,7 +282,7 @@ func (m *manager) GetEntityUrls(ctx context.Context, args []GetEntityUrlArgs, op
 
 		// Cache miss, Generate new url
 		source := entitysource.NewEntitySource(target, d, policy, m.auth, m.settings, m.hasher, m.dep.RequestClient(),
-			m.l, m.config, m.dep.MimeDetector(ctx), m.dep.EncryptorFactory())
+			m.l, m.config, m.dep.MimeDetector(ctx), m.dep.EncryptorFactory(ctx))
 		downloadUrl, err := source.Url(ctx,
 			entitysource.WithExpire(o.Expire),
 			entitysource.WithDownload(o.IsDownload),
@@ -349,7 +349,7 @@ func (m *manager) GetEntitySource(ctx context.Context, entityID int, opts ...fs.
 	}
 
 	return entitysource.NewEntitySource(entity, handler, policy, m.auth, m.settings, m.hasher, m.dep.RequestClient(), m.l,
-		m.config, m.dep.MimeDetector(ctx), m.dep.EncryptorFactory(), entitysource.WithContext(ctx), entitysource.WithThumb(o.IsThumb)), nil
+		m.config, m.dep.MimeDetector(ctx), m.dep.EncryptorFactory(ctx), entitysource.WithContext(ctx), entitysource.WithThumb(o.IsThumb)), nil
 }
 
 func (l *manager) SetCurrentVersion(ctx context.Context, path *fs.URI, version int) error {

pkg/filemanager/manager/manager.go

@@ -148,7 +148,7 @@ func NewFileManager(dep dependency.Dep, u *ent.User) FileManager {
 		settings: dep.SettingProvider(),
 		fs: dbfs.NewDatabaseFS(u, dep.FileClient(), dep.ShareClient(), dep.Logger(), dep.LockSystem(),
 			dep.SettingProvider(), dep.StoragePolicyClient(), dep.HashIDEncoder(), dep.UserClient(), dep.KV(), dep.NavigatorStateKV(),
-			dep.DirectLinkClient(), dep.EncryptorFactory()),
+			dep.DirectLinkClient(), dep.EncryptorFactory(context.TODO())),
 		kv:           dep.KV(),
 		config:       config,
 		auth:         dep.GeneralAuth(),

pkg/filemanager/manager/thumbnail.go

@@ -64,7 +64,8 @@ func (m *manager) Thumbnail(ctx context.Context, uri *fs.URI) (entitysource.Enti
 	capabilities := handler.Capabilities()
 	// Check if file extension and size is supported by native policy generator.
 	if capabilities.ThumbSupportAllExts || util.IsInExtensionList(capabilities.ThumbSupportedExts, file.DisplayName()) &&
-		(capabilities.ThumbMaxSize == 0 || latest.Size() <= capabilities.ThumbMaxSize) {
+		(capabilities.ThumbMaxSize == 0 || latest.Size() <= capabilities.ThumbMaxSize) &&
+		!latest.Encrypted() {
 		thumbSource, err := m.GetEntitySource(ctx, 0, fs.WithEntity(latest), fs.WithUseThumb(true))
 		if err != nil {
 			return nil, fmt.Errorf("failed to get latest entity source: %w", err)

pkg/filemanager/manager/upload.go

@@ -192,7 +192,7 @@ func (m *manager) Upload(ctx context.Context, req *fs.UploadRequest, policy *ent
 	}
 
 	if session != nil && session.EncryptMetadata != nil && !req.Props.ClientSideEncrypted {
-		cryptor, err := m.dep.EncryptorFactory()(session.EncryptMetadata.Algorithm)
+		cryptor, err := m.dep.EncryptorFactory(ctx)(session.EncryptMetadata.Algorithm)
 		if err != nil {
 			return fmt.Errorf("failed to create cryptor: %w", err)
 		}
@@ -331,7 +331,7 @@ func (m *manager) Update(ctx context.Context, req *fs.UploadRequest, opts ...fs.
 
 	req.Props.UploadSessionID = uuid.Must(uuid.NewV4()).String()
 	// Sever side supported encryption algorithms
-	req.Props.EncryptionSupported = []types.Algorithm{types.AlgorithmAES256CTR}
+	req.Props.EncryptionSupported = []types.Cipher{types.CipherAES256CTR}
 
 	if m.stateless {
 		return m.updateStateless(ctx, req, o)

pkg/filemanager/workflows/archive.go

@@ -218,7 +218,7 @@ func (m *CreateArchiveTask) listEntitiesAndSendToSlave(ctx context.Context, dep
 	user := inventory.UserFromContext(ctx)
 	fm := manager.NewFileManager(dep, user)
 	storagePolicyClient := dep.StoragePolicyClient()
-	masterKey, _ := dep.MasterEncryptKeyVault().GetMasterKey(ctx)
+	masterKey, _ := dep.MasterEncryptKeyVault(ctx).GetMasterKey(ctx)
 
 	failed, err := fm.CreateArchive(ctx, uris, io.Discard,
 		fs.WithDryRun(func(name string, e fs.Entity) {

pkg/filemanager/workflows/extract.go

@@ -194,7 +194,7 @@ func (m *ExtractArchiveTask) createSlaveExtractTask(ctx context.Context, dep dep
 		return task.StatusError, fmt.Errorf("failed to get policy: %w", err)
 	}
 
-	masterKey, _ := dep.MasterEncryptKeyVault().GetMasterKey(ctx)
+	masterKey, _ := dep.MasterEncryptKeyVault(ctx).GetMasterKey(ctx)
 	entityModel, err := decryptEntityKeyIfNeeded(masterKey, archiveFile.PrimaryEntity().Model())
 	if err != nil {
 		return task.StatusError, fmt.Errorf("failed to decrypt entity key for archive file %q: %s", archiveFile.DisplayName(), err)

pkg/setting/provider.go

@@ -210,6 +210,12 @@ type (
 		FFMpegExtraArgs(ctx context.Context) string
 		// MasterEncryptKey returns the master encrypt key.
 		MasterEncryptKey(ctx context.Context) []byte
+		// MasterEncryptKeyVault returns the master encrypt key vault type.
+		MasterEncryptKeyVault(ctx context.Context) MasterEncryptKeyVaultType
+		// MasterEncryptKeyFile returns the master encrypt key file.
+		MasterEncryptKeyFile(ctx context.Context) string
+		// ShowEncryptionStatus returns true if encryption status is shown.
+		ShowEncryptionStatus(ctx context.Context) bool
 	}
 	UseFirstSiteUrlCtxKey = struct{}
 )
@@ -237,6 +243,18 @@ type (
 	}
 )
 
+func (s *settingProvider) ShowEncryptionStatus(ctx context.Context) bool {
+	return s.getBoolean(ctx, "show_encryption_status", true)
+}
+
+func (s *settingProvider) MasterEncryptKeyFile(ctx context.Context) string {
+	return s.getString(ctx, "encrypt_master_key_file", "")
+}
+
+func (s *settingProvider) MasterEncryptKeyVault(ctx context.Context) MasterEncryptKeyVaultType {
+	return MasterEncryptKeyVaultType(s.getString(ctx, "encrypt_master_key_vault", "setting"))
+}
+
 func (s *settingProvider) MasterEncryptKey(ctx context.Context) []byte {
 	encoded := s.getString(ctx, "encrypt_master_key", "")
 	key, err := base64.StdEncoding.DecodeString(encoded)

pkg/setting/types.go

@@ -223,3 +223,11 @@ type CustomHTML struct {
 	HeadlessBody   string `json:"headless_bottom,omitempty"`
 	SidebarBottom  string `json:"sidebar_bottom,omitempty"`
 }
+
+type MasterEncryptKeyVaultType string
+
+const (
+	MasterEncryptKeyVaultTypeSetting = MasterEncryptKeyVaultType("setting")
+	MasterEncryptKeyVaultTypeEnv     = MasterEncryptKeyVaultType("env")
+	MasterEncryptKeyVaultTypeFile    = MasterEncryptKeyVaultType("file")
+)

service/admin/file.go

@@ -347,7 +347,7 @@ func (s *SingleFileService) Url(c *gin.Context) (string, error) {
 	}
 
 	es := entitysource.NewEntitySource(fs.NewEntity(primaryEntity), driver, policy, dep.GeneralAuth(),
-		dep.SettingProvider(), dep.HashIDEncoder(), dep.RequestClient(), dep.Logger(), dep.ConfigProvider(), dep.MimeDetector(ctx), dep.EncryptorFactory())
+		dep.SettingProvider(), dep.HashIDEncoder(), dep.RequestClient(), dep.Logger(), dep.ConfigProvider(), dep.MimeDetector(ctx), dep.EncryptorFactory(ctx))
 
 	expire := time.Now().Add(time.Hour * 1)
 	url, err := es.Url(ctx, entitysource.WithExpire(&expire), entitysource.WithDisplayName(file.Name))
@@ -547,7 +547,7 @@ func (s *SingleEntityService) Url(c *gin.Context) (string, error) {
 	}
 
 	es := entitysource.NewEntitySource(fs.NewEntity(entity), driver, policy, dep.GeneralAuth(),
-		dep.SettingProvider(), dep.HashIDEncoder(), dep.RequestClient(), dep.Logger(), dep.ConfigProvider(), dep.MimeDetector(c), dep.EncryptorFactory())
+		dep.SettingProvider(), dep.HashIDEncoder(), dep.RequestClient(), dep.Logger(), dep.ConfigProvider(), dep.MimeDetector(c), dep.EncryptorFactory(c))
 
 	expire := time.Now().Add(time.Hour * 1)
 	url, err := es.Url(c, entitysource.WithDownload(true), entitysource.WithExpire(&expire), entitysource.WithDisplayName(path.Base(entity.Source)))

service/admin/site.go

@@ -193,7 +193,8 @@ type (
 func (s *GetSettingService) GetSetting(c *gin.Context) (map[string]string, error) {
 	dep := dependency.FromContext(c)
 	res, err := dep.SettingClient().Gets(c, lo.Filter(s.Keys, func(item string, index int) bool {
-		return item != "secret_key"
+		_, ok := inventory.RedactedSettings[strings.ToLower(item)]
+		return !ok
 	}))
 	if err != nil {
 		return nil, serializer.NewError(serializer.CodeDBError, "Failed to get settings", err)

service/basic/site.go

@@ -43,16 +43,17 @@ type SiteConfig struct {
 	PrivacyPolicyUrl string              `json:"privacy_policy_url,omitempty"`
 
 	// Explorer section
-	Icons             string                    `json:"icons,omitempty"`
-	EmojiPreset       string                    `json:"emoji_preset,omitempty"`
-	MapProvider       setting.MapProvider       `json:"map_provider,omitempty"`
-	GoogleMapTileType setting.MapGoogleTileType `json:"google_map_tile_type,omitempty"`
-	MapboxAK          string                    `json:"mapbox_ak,omitempty"`
-	FileViewers       []types.ViewerGroup       `json:"file_viewers,omitempty"`
-	MaxBatchSize      int                       `json:"max_batch_size,omitempty"`
-	ThumbnailWidth    int                       `json:"thumbnail_width,omitempty"`
-	ThumbnailHeight   int                       `json:"thumbnail_height,omitempty"`
-	CustomProps       []types.CustomProps       `json:"custom_props,omitempty"`
+	Icons                string                    `json:"icons,omitempty"`
+	EmojiPreset          string                    `json:"emoji_preset,omitempty"`
+	MapProvider          setting.MapProvider       `json:"map_provider,omitempty"`
+	GoogleMapTileType    setting.MapGoogleTileType `json:"google_map_tile_type,omitempty"`
+	MapboxAK             string                    `json:"mapbox_ak,omitempty"`
+	FileViewers          []types.ViewerGroup       `json:"file_viewers,omitempty"`
+	MaxBatchSize         int                       `json:"max_batch_size,omitempty"`
+	ThumbnailWidth       int                       `json:"thumbnail_width,omitempty"`
+	ThumbnailHeight      int                       `json:"thumbnail_height,omitempty"`
+	CustomProps          []types.CustomProps       `json:"custom_props,omitempty"`
+	ShowEncryptionStatus bool                      `json:"show_encryption_status,omitempty"`
 
 	// Thumbnail section
 	ThumbExts []string `json:"thumb_exts,omitempty"`
@@ -100,6 +101,7 @@ func (s *GetSettingService) GetSiteConfig(c *gin.Context) (*SiteConfig, error) {
 		fileViewers := settings.FileViewers(c)
 		customProps := settings.CustomProps(c)
 		maxBatchSize := settings.MaxBatchedFile(c)
+		showEncryptionStatus := settings.ShowEncryptionStatus(c)
 		w, h := settings.ThumbSize(c)
 		for i := range fileViewers {
 			for j := range fileViewers[i].Viewers {
@@ -107,15 +109,16 @@ func (s *GetSettingService) GetSiteConfig(c *gin.Context) (*SiteConfig, error) {
 			}
 		}
 		return &SiteConfig{
-			MaxBatchSize:      maxBatchSize,
-			FileViewers:       fileViewers,
-			Icons:             explorerSettings.Icons,
-			MapProvider:       mapSettings.Provider,
-			GoogleMapTileType: mapSettings.GoogleTileType,
-			MapboxAK:          mapSettings.MapboxAK,
-			ThumbnailWidth:    w,
-			ThumbnailHeight:   h,
-			CustomProps:       customProps,
+			MaxBatchSize:         maxBatchSize,
+			FileViewers:          fileViewers,
+			Icons:                explorerSettings.Icons,
+			MapProvider:          mapSettings.Provider,
+			GoogleMapTileType:    mapSettings.GoogleTileType,
+			MapboxAK:             mapSettings.MapboxAK,
+			ThumbnailWidth:       w,
+			ThumbnailHeight:      h,
+			CustomProps:          customProps,
+			ShowEncryptionStatus: showEncryptionStatus,
 		}, nil
 	case "emojis":
 		emojis := settings.EmojiPresets(c)

service/explorer/response.go

@@ -292,6 +292,7 @@ type Entity struct {
 	CreatedAt     time.Time        `json:"created_at"`
 	StoragePolicy *StoragePolicy   `json:"storage_policy,omitempty"`
 	CreatedBy     *user.User       `json:"created_by,omitempty"`
+	EncryptedWith types.Cipher     `json:"encrypted_with,omitempty"`
 }
 
 type Share struct {
@@ -452,6 +453,12 @@ func BuildEntity(extendedInfo *fs.FileExtendedInfo, e fs.Entity, hasher hashid.E
 		userRedacted := user.BuildUserRedacted(e.CreatedBy(), user.RedactLevelAnonymous, hasher)
 		u = &userRedacted
 	}
+
+	encryptedWith := types.Cipher("")
+	if e.Encrypted() {
+		encryptedWith = e.Props().EncryptMetadata.Algorithm
+	}
+
 	return Entity{
 		ID:            hashid.EncodeEntityID(hasher, e.ID()),
 		Type:          e.Type(),
@@ -459,6 +466,7 @@ func BuildEntity(extendedInfo *fs.FileExtendedInfo, e fs.Entity, hasher hashid.E
 		StoragePolicy: BuildStoragePolicy(extendedInfo.EntityStoragePolicies[e.PolicyID()], hasher),
 		Size:          e.Size(),
 		CreatedBy:     u,
+		EncryptedWith: encryptedWith,
 	}
 }
 

service/explorer/upload.go

@@ -29,7 +29,7 @@ type (
 		PolicyID            string            `json:"policy_id"`
 		Metadata            map[string]string `json:"metadata" binding:"max=256"`
 		EntityType          string            `json:"entity_type" binding:"eq=|eq=live_photo|eq=version"`
-		EncryptionSupported []types.Algorithm `json:"encryption_supported"`
+		EncryptionSupported []types.Cipher    `json:"encryption_supported"`
 	}
 )